// 组件样式
.button {
  background-color: #1890ff;
  border-radius: 2px;
  color: #fff;
  padding: 4px 15px;
  border: none;
  cursor: pointer;
  
  &:hover {
    background-color: #40a9ff;
  }
  
  &:active {
    background-color: #096dd9;
  }
}